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  1. Crop Response to Potassium Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio

    of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer.   Generally, as the soil test K levels decreased, ...

  2. SCN and Soil Health Testing Opportunity for Ohio Growers

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-15/scn-and-soil-health-testing-opportunity-ohio-growers

    during, or after planting. Conducting a soil test in spring will indicate if SCN is present and the levels ... utilized for SCN testing. Additionally, by submitting your soil samples for SCN testing to our lab, you ... determine the most effective management strategy. It is crucial, therefore, to test your fields and know ...

  3. Crop Response to Phosphorus Fertilizer in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio

    soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...

  4. Regional Updates: May 21 – 28, 2024

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-16/regional-updates-may-21-%E2%80%93-28-2024

    report emergence issues in earlier planted corn and soybean fields from soil crusting and in some cases ... some emergence issues are being reported from soil crusting and now excess moisture. In parts of ... planting, corn side-dressing, and post-herbicide applications. Emerged soybeans are between VE and V2 growth ...

  5. Battle for the Belt: Season 2 Episode 8- Bean Leaf Beetle

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-15/battle-belt-season-2-episode-8-bean-leaf-beetle

    defoliation levels ranging from 5% to 50% (Soybean defoliation Final.pdf (osu.edu)). Comprehensivley sampling ... their preferred host plant. Early planted soybeans therefore have a higher risk for feeding damage from ... adults will feed on the soybean and lay eggs in the soil. Scouting and Management Early season, our main ...

  6. Spring Forage Establishment

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-forage-establishment

    Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium the optimal range is 100-130 ppm for sandy soils with a CEC less than 5, for loam and clay soils ...

  7. Cover Crop ‘Til You Drop!

    https://agcrops.osu.edu/events/cover-crop-%E2%80%98til-you-drop

    results, programs available for funding, as well as how this practice impacts soil health and water ... Professor and Soil Fertility and Nutrient Management State Specialist at The Ohio State University. Dr. ... Rakkar completed her PhD in agronomy with specialization in soil and water sciences at the University of ...

  8. Summer-like Weather Sets In

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-15/summer-weather-sets

    a high-temperature range of 73-77°F, a low-temperature range of 50-55°F, and weekly total precipitation of ... Summary High temperatures reached 90°F in Toledo and Findlay on Monday for the first time in 2024. ... Temperatures in the upper 80s to low 90s are well above the average highs in the low to mid 70s for middle May ...

  9. Water Quality Team to Host Second Annual Conservation-Focused Field Day

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-16/water-quality-team-host-second-annual-conservation-focused-field

    results, programs available for funding, as well as how this practice impacts soil health and water ... and Soil Fertility and Nutrient Management State Specialist at The Ohio State University. Dr. Rakkar ... completed her PhD in agronomy with specialization in soil and water sciences at the University of ...

  10. Using Liquid Manure with Newly Planted Corn and Soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-16/using-liquid-manure-newly-planted-corn-and-soybeans

    Given the soil temperatures, crop emergence should only take a few days. Commercial manure applicators ... soil moisture from the liquid manure. The second advantage is the liquid manure adding moisture to the ... soil that can enhance crop germination and emergence, especially if the weather turns off dry. As soon ...

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